Spray gun



FIG. 1 is a front elevation of spray gun showing my new design, a rear elevation view is a mirror image of the front elevation view thereof;

FIG. 2 is a left side elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a perspective view of one embodiment of spray gun showing my new design thereof.

The broken line showing contour of the circular element of the gun in FIG. 2 is for the purpose of illustrating a portion of the article and forms no part of the claimed design. 

CLAIM The ornamental design for spray gun, as shown and described. 